US4259105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diphenylamine derivatives
Assignee: Nippon Soda Co Ltd
•
Filing: 1979-04-26
•
Granted: 1981-03-31
•
Expires: 1999-04-26
Abstract
Abstract Compounds of the general formula ##STR1## wherein X is trifluoromethyl or halogen, R 1 is hydrogen, lower alkyl, lower alkenyl or benzyl, R 2 is lower alkyl, R 3 is hydrogen, alkyl or alkali metal, Y is oxygen or sulfur, and n is 0, 1 or 2; are useful as herbicides.
Inventors
- 👤 Kuniyasu Maeda
- 👤 Minoru Kaeriyama
- 👤 Nobuo Matsui
- 👤 Hisao Ishikawa
- 👤 Shozo Yamada
- 👤 Susumu Okunuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:44
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
47 words
A compound of the general formula ##STR12## wherein X is trifluoromethyl or halogen, R 1 is hydrogen, lower alkyl, lower alkenyl or benzyl R 2 is lower alkyl R 3 is hydrogen, alkyl or alkali metal Y is oxygen or sulfur n is 0, 1 or 2.
Claim 2
Dependent Claim
47 words
A compound of the general formula ##STR12## wherein X is trifluoromethyl or halogen, R 1 is hydrogen, lower alkyl, lower alkenyl or benzyl R 2 is lower alkyl R 3 is hydrogen, alkyl or alkali metal Y is oxygen or sulfur n is 0, 1 or 2.
Claim 3
Dependent Claim
48 words
A compound according to claim 1, wherein R 1 is hydrogen, lower alkyl of 1 to 3 carbon atoms, allyl or benzyl, R 2 is lower alkyl of 1 to 3 carbon atoms, and R 3 is hydrogen, alkyl of 1 to 12 carbon atoms or alkali metal.
Claim 4
Dependent Claim
30 words
A compound according to claim 2, wherein R 1 is hydrogen, R 2 is methyl, R 3 is lower alkyl of 1 to 3 carbon atoms and n is zero.
Claim 5
Dependent Claim
14 words
A compound according to claim 3, wherein X is trifluoromethyl and Y is oxygen.
Claim 6
Dependent Claim
10 words
A compound according to claim 3, wherein X is halogen.
Claim 7
Dependent Claim
28 words
A compound according to claim 2, wherein X is trifluoromethyl, R 1 and R 3 are lower alkyl of 1 to 3 carbon atoms, and Y is oxygen.
Claim 8
Dependent Claim
17 words
A herbicidal composition, comprising an inert carrier and an effective amount of a compound of claim 1.
Claim 9
Dependent Claim
17 words
A herbicidal composition, comprising an inert carrier and an effective amount of a compound of claim 2.
Claim 10
Dependent Claim
17 words
A herbicidal composition, comprising an inert carrier and an effective amount of a compound of claim 3.
Claim 11
Dependent Claim
17 words
A herbicidal composition, comprising an inert carrier and an effective amount of a compound of claim 4.
Claim 12
Dependent Claim
17 words
A herbicidal composition, comprising an inert carrier and an effective amount of a compound of claim 5.
Claim 13
Dependent Claim
17 words
A herbicidal composition, comprising an inert carrier and an effective amount of a compound of claim 6.
Claim 14
Dependent Claim
24 words
A method for the control of weeds, comprising applying to the locus to be protected an effective amount of a compound of claim 1.
Claim 15
Dependent Claim
31 words
A compound according to claim 1, wherein X is CF 3 , R 1 is H, R 2 is methyl, n is zero, Y is oxygen and R 3 is ethyl.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-30 | 1984-09-29 | 1985-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-30 | 1988-09-29 | 1989-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-30 | 1992-09-29 | 1993-03-31 | $7700.00 | Window Closed / Lapsed |